夏日消暑 (自然科學主題)

人體在炎熱天氣中透過哪一種方式排出多餘熱量？

• Blood pressure rises 血壓上升

• Sweat evaporation汗液蒸發

• Heart rate slows心跳變慢
  
  

• Increased urination小便增加

What substance might the human body lose in large amounts during prolonged vigorous exercise in hot weather?在炎熱天氣下長時間劇烈運動，人體可能會流失大量哪一種物質

• Iron鐵

• Calcium 鈣 

• Sodium鈉

• Vitamin C 維生素C
  
  

Which of the following foods is classified as 'cooling food' that helps reduce internal heat?

下列哪一項食物屬「寒性食物」，有助於體內降火

• Onion 洋蔥

• Mung bean 綠豆

• Ginger 薑 

• Chili 辣椒
  
  

Wearing 'dark, tight' clothing in summer makes people feel hotter. What physical phenomenon is mainly related to this?

夏天穿著「深色、緊身」衣物會讓人感覺更熱，其原因主要與下列哪種物理現象有關？

• Heat convection 熱對流

• Heat radiation absorption  熱輻射吸收

• Light reflection 光的反射

• Thermal expansion 熱膨脹
  

Which organ is the central regulator of body temperature?

人體體溫調節中樞位於哪個器官

• Cerebral cortex 大腦皮質 

• Cerebellum 小腦

• Hypothalamus 下視丘

• Adrenal gland 腎上腺

When the weather is hot, if the human body sweats a lot but does not properly replenish water, what condition is most likely to occur?

天氣炎熱時，人體若大量排汗但未適當補充水分，最可能導致下列何種狀況？

• Increased blood sugar 血糖升高

• Electrolyte imbalance 電解質失衡

• Osteoporosis  骨質疏鬆

• Indigestion 消化不良
  

Which of the following is not a common symptom of 'heat stroke'?

以下哪一個不是「中暑」的常見症狀

• Flushed face 臉色潮紅 

• Dizziness and nausea 頭暈想吐

• Cold hands and feet 手腳冰冷 

• Increased blood pressure 血壓升高
  
  

Foods like mung beans, winter melon, and grass jelly are classified as having 'cooling' effects. What principle might this relate to?

綠豆、冬瓜、仙草等食物被歸類為有「清熱」作用，其原理可能與下列何者有關？

• High calories excite the body  高熱量使身體興奮

• High sugar content easily stores energy 含高糖易儲存能量

• High water content helps dissipate heat 水分含量高，幫助散熱

• High protein content promotes metabolism 含多蛋白質促進代謝
  
  

Using a fan in high temperatures is more energy-efficient than using air conditioning. What is the main principle behind its cooling effect?

在高溫下使用風扇比冷氣更省電，其降溫原理主要是

• Reduce heat radiation 減少熱輻射

• Accelerate sweat evaporation 加快汗液蒸發

• Lower body temperature 降低體溫

• Change air density

Which behavior helps prevent heat exhaustion?

以下何種行為有助於預防熱衰竭的發生

• Exercising on an empty stomach 空腹運動

• Wearing non-breathable rain gear  穿戴不透氣雨衣 

• Regularly replenishing water and electrolytes 定時補充水與電解質

• Drinking a large amount of ice water at once  一次喝下大量冰水